Barry Cuda is considering the purchase of the following

Builtrite bond:$$ $$1000$ par, $43/4\%$ coupon rate, $15$ year

maturity that is currently selling for $$970.$ If Barry

purchases this bond, what would his approximate yield to maturity

be$?4\mathrm{.}26\%4\mathrm{.}54\%5\mathrm{.}05\%5\mathrm{.}32\%$